diff --git a/Makefile b/Makefile
index e397006..8536e1c 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ all: pack
 
 $(CLS): $(OUT_DIR)/%.class: $(SRC_DIR)/%.java
 	mkdir -p build
-	$(JC) $(JCFLAGS) $<
+	$(JC) $(JCFLAGS) $?
 
 clean: 
 	rm -rf build/